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99 lines
2.9 KiB
Plaintext
99 lines
2.9 KiB
Plaintext
/*
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* CVFilter.mm
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* freej
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*
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* Created by xant on 5/4/10.
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* Copyright 2010 dyne.org. All rights reserved.
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*
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* This source code is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Public License as published
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* by the Free Software Foundation; either version 2 of the License,
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* or (at your option) any later version.
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*
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* This source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* Please refer to the GNU Public License for more details.
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*
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* You should have received a copy of the GNU Public License along with
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* this source code; if not, write to:
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* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* "$Id:$"
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*
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*/
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#include "CVFilterInstance.h"
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#include <filter.h>
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#include <layer.h>
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#include <Foundation/NSDictionary.h>
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#include <Foundation/NSString.h>
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#ifdef WITH_COCOA
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FACTORY_REGISTER_INSTANTIATOR(FilterInstance, CVFilterInstance, FilterInstance, cocoa);
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CVFilterInstance::CVFilterInstance()
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: FilterInstance()
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{
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cgContextRef = nil;
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ciContext = nil;
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ciFilter = nil;
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}
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CVFilterInstance::CVFilterInstance(Filter *fr)
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{
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CVFilterInstance();
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func("creating instance for filter %s",fr->name);
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init(fr);
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}
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void CVFilterInstance::init(Filter *fr)
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{
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ciFilter = [[CIFilter filterWithName:[NSString stringWithFormat:@"CI%s", fr->name]] retain];
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[ciFilter setDefaults];
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FilterInstance::init(fr);
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}
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void CVFilterInstance::set_layer(Layer *lay)
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{
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FilterInstance::set_layer(lay);
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CGColorSpaceRef colorSpace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
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cgContextRef = CGBitmapContextCreate (NULL,
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lay->geo.w,
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lay->geo.h,
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8, // bits per component
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lay->geo.w*4,
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colorSpace,
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kCGImageAlphaPremultipliedLast);
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CGColorSpaceRelease(colorSpace);
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if (cgContextRef == NULL)
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NSLog(@"WARNING: Export-context not created!");
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ciContext = [[CIContext contextWithCGContext:cgContextRef
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options:[NSDictionary dictionaryWithObject: (NSString*) kCGColorSpaceGenericRGB
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forKey: kCIContextOutputColorSpace]
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] retain];
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}
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CVFilterInstance::~CVFilterInstance()
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{
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if (image)
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[image release];
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if (ciContext)
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[ciContext release];
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if (cgContextRef)
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CGContextRelease(cgContextRef);
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}
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CIFilter *CVFilterInstance::get_filter()
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{
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return ciFilter;
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}
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CIContext *CVFilterInstance::get_context()
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{
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return ciContext;
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}
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#endif |